EP2422909A4 - STRUCTURE FOR PREVENTING THE FAILURE OF A CENTRAL AXLE MOUNTING OF A CIRCULAR SAW - Google Patents

STRUCTURE FOR PREVENTING THE FAILURE OF A CENTRAL AXLE MOUNTING OF A CIRCULAR SAW

Info

Publication number
EP2422909A4
EP2422909A4 EP10766937.6A EP10766937A EP2422909A4 EP 2422909 A4 EP2422909 A4 EP 2422909A4 EP 10766937 A EP10766937 A EP 10766937A EP 2422909 A4 EP2422909 A4 EP 2422909A4
Authority
EP
European Patent Office
Prior art keywords
preventing falling
rotary saw
riving knife
knife fastener
fastener
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10766937.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2422909A1 (en
Inventor
Koji Tanaka
Toshiyuki Kani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Makita Corp
Original Assignee
Makita Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Makita Corp filed Critical Makita Corp
Publication of EP2422909A1 publication Critical patent/EP2422909A1/en
Publication of EP2422909A4 publication Critical patent/EP2422909A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27BSAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B5/00Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/16Saw benches
    • B27B5/22Saw benches with non-feedable circular saw blade
    • B27B5/222Saw benches with non-feedable circular saw blade the saw blade being arranged underneath the work-table; Guiding arrangements for the work-table
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27GACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G19/00Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
    • B27G19/08Accessories for keeping open the saw kerf, e.g. riving knives or wedge plates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B41/00Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/0216Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the position of the plates to be connected being adjustable
    • F16B5/0225Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the position of the plates to be connected being adjustable allowing for adjustment parallel to the plane of the plates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041Specially-shaped shafts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/22Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • F16B39/34Locking by deformable inserts or like parts
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/202With product handling means
    • Y10T83/2074Including means to divert one portion of product from another
    • Y10T83/2077By kerf entering guide

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)
  • Details Of Cutting Devices (AREA)
EP10766937.6A 2009-04-21 2010-03-30 STRUCTURE FOR PREVENTING THE FAILURE OF A CENTRAL AXLE MOUNTING OF A CIRCULAR SAW Withdrawn EP2422909A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009102801A JP2010253572A (ja) 2009-04-21 2009-04-21 切断機における割り刃の固定具脱落防止構造
PCT/JP2010/055666 WO2010122878A1 (ja) 2009-04-21 2010-03-30 切断機における割り刃の固定具脱落防止構造

Publications (2)

Publication Number Publication Date
EP2422909A1 EP2422909A1 (en) 2012-02-29
EP2422909A4 true EP2422909A4 (en) 2015-06-24

Family

ID=43011001

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10766937.6A Withdrawn EP2422909A4 (en) 2009-04-21 2010-03-30 STRUCTURE FOR PREVENTING THE FAILURE OF A CENTRAL AXLE MOUNTING OF A CIRCULAR SAW

Country Status (5)

Country Link
US (1) US20120055302A1 (ja)
EP (1) EP2422909A4 (ja)
JP (1) JP2010253572A (ja)
CN (1) CN202555901U (ja)
WO (1) WO2010122878A1 (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9586336B2 (en) * 2012-12-31 2017-03-07 Robert Bosch Tool Corporation Kickback detection system
US10799964B2 (en) 2015-03-12 2020-10-13 Robert Bosch Tool Corporation Table saw with pulley alignment mechanism
US10786854B2 (en) 2015-03-12 2020-09-29 Robert Bosch Tool Corporation Table saw with electrically isolated arbor shaft
US9969015B2 (en) 2015-03-12 2018-05-15 Robert Bosch Tool Corporation Power tool with protected coupling plate
US10758989B2 (en) 2015-03-12 2020-09-01 Robert Bosch Tool Corporation System and method for sensing cable fault detection in a saw
US10322522B2 (en) 2015-03-12 2019-06-18 Robert Bosch Tool Corporation Electrical configuration for object detection system in a saw
US10821529B2 (en) 2015-03-12 2020-11-03 Robert Bosch Tool Corporation Power tool with improved belt tensioning
TWI688781B (zh) * 2015-03-12 2020-03-21 德商羅伯特博斯奇股份有限公司 用於鋸子的診斷和維護操作
WO2017216113A2 (en) 2016-06-15 2017-12-21 Mimetas B.V. Cell culture device and methods
DE102017201493A1 (de) * 2017-01-31 2018-08-02 Robert Bosch Gmbh Kreissäge, insbesondere Handkreissäge
CN111237321A (zh) * 2019-12-18 2020-06-05 深圳巴斯巴科技发展有限公司 一种功能螺丝固定免拆卸结构
DE102020132928A1 (de) * 2020-12-10 2022-06-15 Otto Ganter Gmbh & Co. Kg Normteilefabrik Federbelasteter Rastbolzen

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2352235A (en) * 1941-09-10 1944-06-27 Delta Mfg Co Saw guard
DE3403762A1 (de) * 1984-02-03 1985-08-14 Festo KG, 7300 Esslingen Einrichtung zur loesbaren befestigung eines spaltkeils an einer saege
JPH05231414A (ja) * 1992-02-20 1993-09-07 Tomohiro Yoshigasako 雄ねじの抜き取り防止装置
JP2002061626A (ja) * 2000-08-21 2002-02-28 Ishikawajima Harima Heavy Ind Co Ltd ネジ脱落防止機構
US20040011177A1 (en) * 2002-07-17 2004-01-22 Durq Machinery Corp. Quick-detachable blade guard mounting structure
JP2005262337A (ja) * 2004-03-16 2005-09-29 Makita Corp 切断機におけるライビングナイフの取り付け具
US20070056416A1 (en) * 2005-09-15 2007-03-15 Makita Corporation Cutting devices
JP2007125724A (ja) * 2005-11-01 2007-05-24 Makita Corp 切断機
US20080276780A1 (en) * 2007-05-11 2008-11-13 Bor-Yann Chuang Combining device for the chopper set of a table sawing machine
DE102010042016A1 (de) * 2010-10-06 2012-04-12 Robert Bosch Gmbh Spaltkeileinheit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2530867A (en) * 1949-03-28 1950-11-21 Galanga Charles Spreaders for circular saw wood cutting machines
US3583450A (en) * 1969-03-03 1971-06-08 Hartzell Industries Saw splitter and tipper assembly
JPS58111408U (ja) * 1982-01-26 1983-07-29 株式会社神戸製鋼所 遠隔操作用脱着具
US4721023A (en) * 1986-06-20 1988-01-26 Shopsmith, Inc. Saw guard system
JPH0646901U (ja) * 1992-12-11 1994-06-28 ヤマハ株式会社 丸鋸盤
JP4511853B2 (ja) 2004-03-17 2010-07-28 株式会社マキタ 切断機のライビングナイフ
US7540223B2 (en) * 2004-03-12 2009-06-02 Makita Corporation Mountings for riving knives of table saws
US7210386B1 (en) * 2005-11-02 2007-05-01 Kingsand Machinery Ltd. Quickly detachable protective cover unit of a table sawing machine
US7621204B2 (en) * 2006-07-25 2009-11-24 Black & Decker Inc. Riving knife system for table saw

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2352235A (en) * 1941-09-10 1944-06-27 Delta Mfg Co Saw guard
DE3403762A1 (de) * 1984-02-03 1985-08-14 Festo KG, 7300 Esslingen Einrichtung zur loesbaren befestigung eines spaltkeils an einer saege
JPH05231414A (ja) * 1992-02-20 1993-09-07 Tomohiro Yoshigasako 雄ねじの抜き取り防止装置
JP2002061626A (ja) * 2000-08-21 2002-02-28 Ishikawajima Harima Heavy Ind Co Ltd ネジ脱落防止機構
US20040011177A1 (en) * 2002-07-17 2004-01-22 Durq Machinery Corp. Quick-detachable blade guard mounting structure
JP2005262337A (ja) * 2004-03-16 2005-09-29 Makita Corp 切断機におけるライビングナイフの取り付け具
US20070056416A1 (en) * 2005-09-15 2007-03-15 Makita Corporation Cutting devices
JP2007125724A (ja) * 2005-11-01 2007-05-24 Makita Corp 切断機
US20080276780A1 (en) * 2007-05-11 2008-11-13 Bor-Yann Chuang Combining device for the chopper set of a table sawing machine
DE102010042016A1 (de) * 2010-10-06 2012-04-12 Robert Bosch Gmbh Spaltkeileinheit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010122878A1 *

Also Published As

Publication number Publication date
US20120055302A1 (en) 2012-03-08
CN202555901U (zh) 2012-11-28
EP2422909A1 (en) 2012-02-29
WO2010122878A1 (ja) 2010-10-28
JP2010253572A (ja) 2010-11-11

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